<template>
  <div>
    <h2>随机点名</h2>
    <div class="box">
      <span>名字是：</span>
      <div class="qs">{{choose}}</div>
    </div>
    <div class="btns">
      <button @click="start" class="start">开始</button>
      <button @click="end" class="end">结束</button>
    </div>
  </div>
</template>

<script>
export default {
  data(){
    return {
      choose:"请点击开始按钮进行点名",
      arr:["邓司园","阮闯闯","杨优","朱志文","韩刚","肖越","彭翀","姚习东"],
      timer:'',
    }
  },
  methods: {
    start(){
      this.timer=setInterval(()=>{
        this.choose=this.arr[Math.floor(Math.random()*6)]

      },100)
    },
    end(){
      clearInterval(this.timer)
    }
  }
  
};
</script>

<style>
* {
  margin: 0;
  padding: 0;
}

h2 {
  text-align: center;
}

.box {
  width: 600px;
  margin: 50px auto;
  display: flex;
  font-size: 25px;
  line-height: 40px;
}

.qs {
  width: 450px;
  height: 40px;
  color: red;
}

.btns {
  text-align: center;
}

.btns button {
  width: 120px;
  height: 35px;
  margin: 0 50px;
}
</style>